National Cancer Center Research Institute, Nagasaki University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Sasebo City General Hospital, affiliation not provided to SSRN, Sasebo City General Hospital, affiliation not provided to SSRN, Nagasaki University, affiliation not provided to SSRN, Nagasaki University, Sasebo City General Hospital, Nagasaki University, Nagasaki University, Nagasaki University, Sasebo City General Hospital, Nagasaki University, Sasebo City General Hospital, Sasebo City General Hospital, affiliation not provided to SSRN, affiliation not provided to SSRN, Nagasaki University - Nagasaki University Hospital, Nagasaki University - Nagasaki University Hospital, affiliation not provided to SSRN, National Hospital Organization Ureshino Medical Center, affiliation not provided to SSRN, affiliation not provided to SSRN, Nagasaki University - Nagasaki University Hospital, Nagasaki University - Nagasaki University Hospital and Nagasaki University - Department of Respiratory Medicine